package com.example.malldemo.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

@Configuration
@EnableSwagger2
public class Swagger2Config {
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .pathMapping("/")
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.example.malldemo.controller"))
                .paths(PathSelectors.any()).build()
                .apiInfo(new ApiInfoBuilder()
                        .title("Swagger2")
                        .version("1.0.0")
                        .contact(new Contact("熊熊网络科技","xiongxiongyy.com","jwakx@163.com"))
                        .description("这是一个文档")
                        .build()
                )
                // 添加登陆验证
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts())
                ;
    }

    private List<ApiKey> securitySchemes() {
        List<ApiKey> result = new ArrayList<>();
        ApiKey apiKey = new ApiKey("Authrization", "Authorization", "header");
        result.add(apiKey);
        return result;
    }

    private List<SecurityContext> securityContexts() {
        // 设置需要认证的路径
        List<SecurityContext> result = new ArrayList<>();
        result.add(getContextByPath("/*/.*"));
        return result;
    }

    private SecurityContext getContextByPath(String pathRegex) {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }

    private List<SecurityReference> defaultAuth() {
        List<SecurityReference> result = new ArrayList<>();
        AuthorizationScope authorizationScope = new AuthorizationScope("global","accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        result.add(new SecurityReference("Authrization", authorizationScopes));
        return result;
    }
}
